共 18 条
- [7] The Existence of Two Positive Solutions of Singular Boundary Value Problem of Fourth Order Differential Equations. Chang Ci PANG Zhong Li WEI(Department of Mathematics and Physics,Shandong Architectural and Civil Engineering Institute,Jinan 250014,P. R. China). Acta Mathematica . 2003
- [8] Positive Solution of Singular Boundary Value Problems of Fourth Order Differential Equations. Wei Zhongli (Department of Tundamental Courses,Shandong Architectural and Civil Engineering Institute,Jinan 250014,P. R. China). Acta Mathematica . 1999
- [9] An Upper and Lower Solution Approach to Singular Second Order Ordinary Differential Equations with Nonlinear Boundary Conditions. Yan Ping GUO(Department of Applied Mathematics,Beijing Institute of Technology,Beijing 100081,P. R. China) (College of Sciences,Hebei University of Science and Technology,Shijiazhuang 050018,P. R. China)Wei Gao GE(Department of Applied M. Acta Mathematica . 2003
- [10] Positive Solutions of Boundary Value Problems for Nonlinear Differential Equations. Zhao Zengqin. Acta Mathematica . 2000